The mass of an erlenmeyer flask is 85.135 g. after 10.00 ml of water is added to the flask, the mass of the flask and the water is 95.023 g. calculate the density (in g/ml) of water. using the density calculated in the question above, calculate the percent error if the true density at this temperature is 0.9992 g/ml.

If you have 5.25 grams of methane (ch4), how many grams of co2 will you produce ?

The minerals found in bones are deposited by living cells called

Agroup of students is studying convection current. they fill two identical balloons with the same amount of helium. one balloon is placed in a freezer and the other is in an area with warm air. after 10 minutes, the balloon are released from a height of 1 meter. which of the following to the students most likely observe? a) the warm balloon expands and rises. the cold balloon shrinks and sinks b) the balloon both rise. the cold balloon is larger than the warm balloon c) the cold balloon expands and rises. the warm balloon shrinks and sinks d) the balloon rise at the same rate. both balloons are the same size